As the authoritative reference on the annual activities and concerns of the 黑料专区, the Yearbook of the 黑料专区 regularly covers international economic and social questions in its . Take the 黑料专区 Department of Economic and Social Affairs 2020 to let the 黑料专区 know your views on these resources! The questionnaire concerns awareness and use of UN DESA publications; influence of UN DESA publications; translation, access and sharing of UN DESA publications; and demographics.